415  
SXUS45 KMSO 241230  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
605 AM MDT THU SEP 24 2026  
 
NOTE: THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF  
THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE  
SIGNIFICANTLY LESS ON UPWIND SHORES.  
   
TODAY
 
SUNNY. HIGHS AROUND 70 . VARIABLE WINDS UP TO 10 MPH.  
WAVES LESS THAN 1 FOOT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. VARIABLE WINDS  
UP TO 10 MPH. WAVES LESS THAN 1 FOOT.    
FRIDAY
 
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN  
THE AFTERNOON. HIGHS AROUND 70 . SOUTH WINDS 15 TO 20 MPH. WAVES  
AROUND 1 FOOT...LOCALLY UP TO 2 FEET.    
FRIDAY NIGHT
 
BREEZY. MOSTLY CLOUDY. A 50 PERCENT CHANCE OF  
RAIN IN THE EVENING. LOWS AROUND 50 . SOUTH WINDS 15 TO 25 MPH.  
WAVES AROUND 1 FOOT...LOCALLY UP TO 2 FEET.    
SATURDAY
 
BREEZY, COOLER. PARTLY SUNNY. HIGHS IN THE UPPER 50S.  
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH. WAVES  
AROUND 1 FOOT...LOCALLY UP TO 2 FEET.  
 
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